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GeoGebra
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GeoGebra
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Author:
杨欣霞
GeoGebra
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科赫雪花
百分數及其應用
双心四边形
折扣
异形操场
Discover Resources
交流电的模拟
正六面體摺疊
Copy of area
Copy of Area of square
垂線作圖
Discover Topics
Perimeter
Circle
Centroid or Barycenter
Dilation
Numbers